Spatial distribution and abundance of non-native barnacles of the genus Amphibalanus Pitombo, 2004 (Cirripedia: Balanidae) in southern Iraq

IF 1.2 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY
Murtada D Naser, Amaal Gh Yasser, Patricio R De los Ríos-Escalante, Franz Essl
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引用次数: 0

Abstract

Invasions of non-native species have been occurring across the globe, mostly due to human activities or climate change. Although most introduced species fail to expand or have slight impact on their new ecosystems, the large number of true invasive species has led to serious economic and ecological problems. Knowledge of the fundamental drivers shaping the current distribution and abundance of invasive species of barnacles of the genus AmphibalanusPitombo, 2004 in Iraq are still poorly understood. We collected samples of barnacles from 21 sites from the lower reaches of the Shatt Al-Arab with salinities of 20–24 ppt to the upper part of the Shatt Al-Arab, and northwest to the Al-Hammar marshes and the Euphrates River with salinities of 0.9–2.8 ppt. Amphibalanus amphitrite (Darwin, 1854) was widely distributed, occurring at most sites. With the exception of a few sites close to the mouth of the Shatt Al-Arab, A. improvisus (Darwin, 1854) was restricted to sites with salinities of 22–37 ppt. Amphibalanus subalbidus (Henry, 1973) had an oligohaline distribution, occurring in moderately saline water. Redundancy analysis (RDA) revealed that the spatial distribution and abundance of all three species were influenced by salinity and temperature. Overall, our results confirm the importance of mapping the spatial distribution and abundance of invasive species in order to assess and manage the risks these species pose to native ecosystems.
伊拉克南部非本地藤壶属 Amphibalanus Pitombo,2004 年(Cirripedia: Balanidae)的空间分布和丰度
非本地物种的入侵一直在全球范围内发生,主要是由于人类活动或气候变化造成的。虽然大多数引入物种未能扩大或对其新的生态系统产生轻微影响,但大量真正的入侵物种已导致严重的经济和生态问题。人们对 2004 年伊拉克藤壶属(Amphibalanus-Pitombo)入侵物种目前的分布和数量的基本驱动因素仍然知之甚少。我们从阿拉伯河下游(盐度为 20-24 ppt)到阿拉伯河上游(盐度为 0.9-2.8 ppt),再向西北到哈马尔沼泽和幼发拉底河的 21 个地点采集藤壶样本。Amphibalanus amphitrite(达尔文,1854 年)分布广泛,出现在大多数地点。除了靠近阿拉伯河河口的几个地点外,A. improvisus(达尔文,1854 年)仅限于盐度为 22-37 ppt 的地点。Amphibalanus subalbidus(Henry,1973 年)分布在中度盐度的水域中。冗余分析(RDA)显示,这三个物种的空间分布和丰度都受到盐度和温度的影响。总之,我们的研究结果证实了绘制入侵物种空间分布和丰度图的重要性,以便评估和管理这些物种对本地生态系统造成的风险。
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来源期刊
Journal of Crustacean Biology
Journal of Crustacean Biology 生物-海洋与淡水生物学
CiteScore
2.10
自引率
9.10%
发文量
66
审稿时长
6-12 weeks
期刊介绍: The Journal of Crustacean Biology is the official journal of The Crustacean Society, publishing peer-reviewed research on all aspects of crustacean biology and other marine arthropods. Papers are published in English only, but abstracts or summaries in French, German, Portuguese, or Spanish may be added when appropriate.
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